PT-2026-43131 · Gnu · Libredwg

Pwn3Rd · Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-9503

Mitre

CVSS v3.1

3.3

Low

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

A security flaw has been discovered in GNU LibreDWG up to 0.14. This impacts the function dwg next entity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 8f03865f37f5d4ffd616fef802acc980be54d300. Upgrading the affected component is advised.

Exploit

Fix

NULL Pointer Dereference

Improper Resource Release

Weakness Enumeration

CWE-476

CWE-404

Related Identifiers

CVE-2026-9503

Affected Products

Libredwg

References · 7

• 🔥 https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg · Exploit
• https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300 · Patch
• https://github.com/LibreDWG/libredwg/issues/1245 · Note
• https://gnu.org · Note
• https://vuldb.com/vuln/365485 · Note
• https://vuldb.com/submit/814260 · Note
• https://vuldb.com/vuln/365485/cti · Note